From The Art and Popular Culture Encyclopedia

George Frost Kennan (February 16, 1904 – March 17, 2005) was an American diplomat and historian. He was known best as an advocate of a policy of containment of Soviet expansion during the Cold War on which he later reversed himself. He lectured widely and wrote scholarly histories of the relations between USSR and the United States. He was also one of the group of foreign policy elders known as "The Wise Men".

Soon after his concepts had become U.S. policy, Kennan began to criticize the foreign policies that he had seemingly helped begin. Subsequently, prior to the end of 1948, Kennan became confident that positive dialogue could commence with the Soviet government. His proposals were discounted by the Truman administration and Kennan's influence was marginalized, particularly after Dean Acheson was appointed Secretary of State in 1949. Soon thereafter, U.S. Cold War strategy assumed a more assertive and militaristic quality, causing Kennan to lament about what he believed was an abrogation of his previous assessments.